Fig. 3From: The terpenes camphene and alpha-bisabolol inhibit inflammatory and neuropathic pain via Cav3.2 T-type calcium channelsEffect of increasing doses of intrathecal camphene (a and b) and alpha-bisabolol (c and d) on the first and second phases of formalin-induced pain. Asterisks denote the significance relative to the control group (*P < 0.05, **P < 0.01, one-way ANOVA followed by Tukey’s test)Back to article page